Key unit for a keyboard musical instrument



FIG. 1 is a perspective view of a key unit for a keyboard musical instrument showing our new design;

FIG. 2 is a front elevational view thereof; the rear side being a mirror image thereto;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a left side elevational view thereof; and

FIG. 6 is a right side elevational view thereof. 

The ornamental design for a key unit for a keyboard musical instrument, as shown and described. 